vim-patch:9.1.0357: Page scrolling should place cursor at window boundaries (#28429)

Problem:  Page scrolling does not always place the cursor at the top or
          bottom of the window (Mathias Rav)
Solution: Place the cursor at the top or bottom of the window.
          (Luuk van Baal)

4b6b0c4024
This commit is contained in:
luukvbaal 2024-04-22 15:24:32 +02:00 committed by GitHub
parent 783b0aba41
commit ea1c9f60e0
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3 changed files with 33 additions and 16 deletions

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@ -2492,23 +2492,27 @@ int pagescroll(Direction dir, int count, bool half)
} else {
cursor_up_inner(curwin, curscount);
}
if (get_scrolloff_value(curwin) > 0) {
cursor_correct(curwin);
}
// Move cursor to first line of closed fold.
foldAdjustCursor(curwin);
nochange = nochange
&& prev_col == curwin->w_cursor.col
&& prev_lnum == curwin->w_cursor.lnum;
} else {
// Scroll [count] times 'window' or current window height lines.
count *= ((ONE_WINDOW && p_window > 0 && p_window < Rows - 1)
? MAX(1, (int)p_window - 2) : get_scroll_overlap(dir));
nochange = scroll_with_sms(dir, count);
// Place cursor at top or bottom of window.
validate_botline(curwin);
curwin->w_cursor.lnum = (dir == FORWARD ? curwin->w_topline : curwin->w_botline - 1);
}
if (get_scrolloff_value(curwin) > 0) {
cursor_correct(curwin);
}
// Move cursor to first line of closed fold.
foldAdjustCursor(curwin);
nochange = nochange
&& prev_col == curwin->w_cursor.col
&& prev_lnum == curwin->w_cursor.lnum;
// Error if both the viewport and cursor did not change.
if (nochange) {
beep_flush();

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@ -4268,7 +4268,7 @@ if (h->n_buckets < new_n_buckets) { // expand
screen:expect{grid=[[
{16:refactor(khash): }take size of values as parameter |
Author: Dev Devsson, {18:Tue Aug 31 10:13:37 2021} |
^if (h->n_buckets < new_n_buckets) { // expand |
if (h->n_buckets < new_n_buckets) { // expand |
khkey_t *new_keys = (khkey_t *)krealloc((void *)|
h->keys, new_n_buckets * sizeof(khkey_t)); |
h->keys = new_keys; |
@ -4276,7 +4276,7 @@ if (h->n_buckets < new_n_buckets) { // expand
char *new_vals = krealloc( h->vals_buf, new_n_|
buckets * val_size); |
h->vals_buf = new_vals; |
} |
^} |
|
]]}
end)
@ -4949,8 +4949,8 @@ if (h->n_buckets < new_n_buckets) { // expand
VIRT2 |
11 |
12 |
^13 |
14 |
13 |
^14 |
|
]])
feed('<C-B>')

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@ -3823,8 +3823,8 @@ func Test_normal_vert_scroll_longline()
call assert_equal(11, line('.'))
call assert_equal(1, winline())
exe "normal \<C-B>"
call assert_equal(10, line('.'))
call assert_equal(4, winline())
call assert_equal(11, line('.'))
call assert_equal(5, winline())
exe "normal \<C-B>\<C-B>"
call assert_equal(5, line('.'))
call assert_equal(5, winline())
@ -4257,4 +4257,17 @@ func Test_halfpage_cursor_startend()
bwipe!
endfunc
" Test for Ctrl-F/B moving the cursor to the window boundaries.
func Test_page_cursor_topbot()
10new
call setline(1, range(1, 100))
exe "norm! gg2\<C-F>"
call assert_equal(17, line('.'))
exe "norm! \<C-B>"
call assert_equal(18, line('.'))
exe "norm! \<C-B>\<C-F>"
call assert_equal(9, line('.'))
bwipe!
endfunc
" vim: shiftwidth=2 sts=2 expandtab nofoldenable